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Quality control methods for Aedes albopictus sterile male production
PLOS Neglected Tropical Diseases ( IF 3.4 ) Pub Date : 2017-09-11 , DOI: 10.1371/journal.pntd.0005881
Fabrizio Balestrino , Arianna Puggioli , Marco Carrieri , Jérémy Bouyer , Romeo Bellini

The capacity of the released sterile males to survive, disperse, compete with wild males and inseminate wild females is an essential prerequisite to be evaluated in any area-wide integrated pest management (AW-IPM) programs including a sterile insect release method. Adequate quality control tests supported by standardized procedures need to be developed to measure these parameters and to identify and correct potential inappropriate rearing or handling methods affecting the overall male quality. In this study, we report results on the creation and validation of the first quality control devices designed to infer the survival and mating capacity of radio-sterilized Aedes albopictus males through the observation of their flight capacity under restricted conditions (flight organ device) and after stress treatment (aspirator device). Results obtained consistently indicate comparable flight capacity and quality parameters between untreated and 35 Gy irradiated males while a negative impact was observed with higher radiation doses at all observation time performed. The male flight capacity registered with the proposed quality control devices can be successfully employed, with different predictive capacities and response time, to infer the adult male quality. These simple and cost-effective tools provide a valuable method to detect and amend potentially sub-standard procedures in the sterile male production line and hence contribute to maintaining optimal quality and field performance of the mosquitoes being released.



中文翻译:

白纹伊蚊不育雄性生产的质量控制方法

被释放的不育雄性动物生存,散布,与野生雄性竞争以及授精野生雌性的能力是在包括无菌昆虫释放方法在内的任何区域性病虫害综合治理(AW-IPM)计划中进行评估的基本前提。需要开发由标准化程序支持的足够的质量控制测试,以测量这些参数并识别和纠正可能影响男性整体素质的潜在不适当的饲养或处理方法。在这项研究中,我们报告了首批质量控制设备的创建和验证结果,该设备旨在推断经无线电灭菌的白纹伊蚊的存活和交配能力男性通过在受限条件下(飞行器官装置)和经过压力处理后(吸气装置)观察其飞行能力。始终获得的结果表明,未经治疗和接受35 Gy辐射的雄性之间的飞行能力和质量参数相当,而在所有观察时间均以较高的辐射剂量观察到了负面影响。在建议的质量控制设备中注册的男性飞行能力可以成功地采用,具有不同的预测能力和响应时间,以推断成年男性的质量。这些简单且具有成本效益的工具提供了一种有价值的方法,可以检测和修改无菌雄性生产线中可能不合格的程序,因此有助于维持释放的蚊子的最佳质量和田间性能。

更新日期:2017-09-14
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